Maruthi Suzuki
As per global market research firm JD Power 2015 India Customer Service Index (CSI) study, Maruthi Suzuki India has topped the after-sales customer service satisfaction among mass market brands for a record 16th consecutive year. Maruthi Suzuki with a score of 906, on a scale of 1,000 performs well across all factors with greatest improvements in service initiation followed by service facility. Honda Cars India, with a score of 880 ranked second. Hyundai Motor India and Tata Motors are tied at third position.